diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtinsert.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtinsert.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c index 48d19be3aab..b84bf1c3dfa 100644 --- a/src/backend/access/nbtree/nbtinsert.c +++ b/src/backend/access/nbtree/nbtinsert.c @@ -2019,6 +2019,9 @@ _bt_getstackbuf(Relation rel, BTStack stack, BlockNumber child) /* * The item we're looking for moved right at least one page. + * + * Lehman and Yao couple/chain locks when moving right here, which we + * can avoid. See nbtree/README. */ if (P_RIGHTMOST(opaque)) { |